![Load image into Gallery viewer, 1-2712-4155 434 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.155 bore](http://dssracing.com/cdn/shop/products/SBCFX-SHCHR_1a0be7c0-7051-44a1-97fc-71f49fde1c10_400x@2x.jpg?v=1672086739)
![Load image into Gallery viewer, DISCONTINUED USE 1-2478-4155 434 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.155 bore](http://dssracing.com/cdn/shop/products/FX1_09df4f18-2435-47b6-b150-b8c7e1e5ac67_400x@2x.jpg?v=1678072675)
![Load image into Gallery viewer, DISCONTINUED USE 1-2478-4155 434 Small Block Chevy 1-FX Series +4cc Dome Top Forged Piston Set. 4.155 bore](http://dssracing.com/cdn/shop/products/pistonbox_50d9f9c9-dfb2-472a-8eb0-6c921a2441f0_400x@2x.jpg?v=1678072675)
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 434
With/Without Rings: Without Rings
Cylinder Bore Size: 4.155 in - 105.46 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.000"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 4.000"
Piston Series: 1-FX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 15.14 to 1 |
64cc | 13.91 to 1 |
70cc | 12.87 to 1 |
Engine Brand: Chevy
Engine Family: Small Block Chevy
Engine Size: 434
With/Without Rings: Without Rings
Cylinder Bore Size: 4.155 in - 105.46 mm
Ring Width: 1.2/1.2/3MM
Compression Height: 1.000"
Pin Diameter: .927
Connecting Rod Length: 6.000"
Crankshaft Stroke: 4.000"
Piston Series: 1-FX Series
Alloy: Forged 4032
Cylinder Head: SBC 23 Degree
TDC Assembly Height: 9.000
Piston Top Aprox. Comp. Ratio:
Chamber | Comp. Ratio |
---|---|
58cc | 15.14 to 1 |
64cc | 13.91 to 1 |
70cc | 12.87 to 1 |
The DSS FX, X-Groove Feature
![](http://dssracing.com/cdn/shop/files/Screen_Shot_2023-02-02_at_12.58.44_PM_1780x_e2888a05-9892-4c89-88c1-e71433dd4633_750x.gif?v=1680360352)